<html>
<head>
<script src="http://www.cssrain.cn/demo/JQuery+API/jquery-1[1].2.1.pack.js"></script>
<script src="cssrain.js"></script>
<script>
</script>
<script type = "text/javascript">
  $(function(){
     $('table').background('green');
  });
</script>
</head>
<body>
<table border="1" width="100px">
<tr><td>1</td><td>1</td><td>1</td></tr>
<tr><td>2</td><td>2</td><td>2</td></tr>
<tr><td>3</td><td>3</td><td>3</td></tr>
</table>
</body>
</html>